Finding the Fourth Proportional to 1,415,248.92, 1,952,991.95 and 770,654.97
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Solution
The fourth proportional to 1,415,248.92, 1,952,991.95 and 770,654.97 is: 1,063,475.78
Step by Step Solution
- Step 1: Write the proportion equation
1,415,248.92 : 1,952,991.95 = 770,654.97 : x - Step 2: Convert to fraction form
1,415,248.92/1,952,991.95 = 770,654.97/x - Step 3: Cross multiply
1,415,248.92x = 1,952,991.95 × 770,654.97 - Step 4: Simplify right side
1,415,248.92x = 1,505,082,948,784.22 - Step 5: Solve for x
x = 1,505,082,948,784.22/1,415,248.92 - Step 6: Final answer
x = 1,063,475.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.